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  <title>Increments the value associated with the key</title>
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    <li>Increments the value associated with the key</li>
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<div id="layout">
  <div id="layout-content"><div id="function.wincache-ucache-inc" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">wincache_ucache_inc</h1>
  <p class="verinfo">(PECL wincache &gt;= 1.1.0)</p><p class="refpurpose"><span class="refname">wincache_ucache_inc</span> &mdash; <span class="dc-title">
   Increments the value associated with the key
  </span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.wincache-ucache-inc-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>wincache_ucache_inc</strong></span>(<span class="methodparam"><span class="type">string</span> <code class="parameter">$key</code></span>, <span class="methodparam"><span class="type">int</span> <code class="parameter">$inc_by</code><span class="initializer"> = 1</span></span>, <span class="methodparam"><span class="type">bool</span> <code class="parameter reference">&$success</code><span class="initializer"> = ?</span></span>): <span class="type"><a href="language.types.declarations.html#language.types.declarations.mixed" class="type mixed">mixed</a></span></div>

  <p class="para rdfs-comment">
   Increments the value associated with the <code class="parameter">key</code> by 1 or as specified 
   by <code class="parameter">inc_by</code>.
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.wincache-ucache-inc-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>
    
     <dt>
<code class="parameter">key</code></dt>

     <dd>

      <p class="para">
       The <code class="parameter">key</code> that was used to store the variable in the cache. 
       <code class="parameter">key</code> is case sensitive.
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">inc_by</code></dt>

     <dd>

      <p class="para">
       The value by which the variable associated with the <code class="parameter">key</code> will get incremented. 
       If the argument is a floating point number it will be truncated to nearest integer. The variable 
       associated with the <code class="parameter">key</code> should be of type <code class="literal">long</code>, otherwise 
       the function fails and returns <strong><code>false</code></strong>.
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">success</code></dt>

     <dd>

      <p class="para">
       Will be set to <strong><code>true</code></strong> on success and <strong><code>false</code></strong> on failure.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.wincache-ucache-inc-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="simpara">
   Returns the incremented value on success and <strong><code>false</code></strong> on failure.
  </p>
 </div>

 <div class="refsect1 examples" id="refsect1-function.wincache-ucache-inc-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-674">
    <p><strong>示例 #1 Using <span class="function"><strong>wincache_ucache_inc()</strong></span></strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />wincache_ucache_set</span><span style="color: #007700">(</span><span style="color: #DD0000">'counter'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">wincache_ucache_inc</span><span style="color: #007700">(</span><span style="color: #DD0000">'counter'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">2921</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$success</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$success</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents"><p>以上例程会输出：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
int(2922) 
bool(true)
</pre></div>
    </div>    
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.wincache-ucache-inc-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.wincache-ucache-dec.html" class="function" rel="rdfs-seeAlso">wincache_ucache_dec()</a> - Decrements the value associated with the key</span></li>
    <li class="member"><span class="function"><a href="function.wincache-ucache-cas.html" class="function" rel="rdfs-seeAlso">wincache_ucache_cas()</a> - Compares the variable with old value and assigns new value to it</span></li>
   </ul>
  </p>
 </div>


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